jQuery add HTML table column

Answer 1

Not related to your question but you can make your HTML bit more semantic.

    

        

            
DELETE ROWCOL 1
            
DELETE COLCOL 2
            
DELETE COLCOL 3
            
DELETE COLCOL 4
            
DELETE COLCOL 5
            
DELETE COLCOL 6
        
    
    

        

            
ROW 1
            
ROW 1
            
ROW 1
            
ROW 1
            
ROW 1
            
ROW 1
        
        

            
ROW 2
            
ROW 2
            
ROW 2
            
ROW 2
            
ROW 2
            
ROW 2
        
    

Modified jQuery code may look like:

var c = $("#myTable thead th").length;
$("#myTable thead tr").append("